Carbon-based chemicals carried to Earth by a meteorite 3.3 billion years ago have been found encased in rock, and may have been crucial to the origin of life
Source:
https://www.newscientist.com/article/2204354-organic-matter-from-space-preserved-in-3-3-billion-year-old-rocks/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home